<template>
  <div style="margin-top: 50px">
    <el-form ref="productAttrForm" :model="value" label-width="120px" style="width: 720px" size="small">
      <el-form-item label="属性类型：">
        <el-select
          v-model="value.productAttributeCategoryId"
          placeholder="请选择属性类型"
          @change="handleProductAttrChange"
        >
          <el-option
            v-for="item in productAttributeCategoryOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="商品规格：">
        <el-card shadow="never" class="cardBg">
          <div v-for="(productAttr,idx) in selectProductAttr">
            {{ productAttr.name }}：
            <el-checkbox-group v-if="productAttr.handAddStatus===0" v-model="selectProductAttr[idx].values">
              <el-checkbox
                v-for="item in getInputListArr(productAttr.inputList)"
                :key="item"
                :label="item"
                class="littleMarginLeft"
              />
            </el-checkbox-group>
            <div v-else>
              <el-checkbox-group v-model="selectProductAttr[idx].values">
                <div
                  v-for="(item,index) in selectProductAttr[idx].options"
                  style="display: inline-block"
                  class="littleMarginLeft"
                >
                  <el-checkbox :key="item" :label="item" />
                  <el-button type="text" class="littleMarginLeft" @click="handleRemoveProductAttrValue(idx,index)">删除
                  </el-button>
                </div>
              </el-checkbox-group>
              <el-input v-model="addProductAttrValue" style="width: 160px;margin-left: 10px" clearable />
              <el-button class="littleMarginLeft" @click="handleAddProductAttrValue(idx)">增加</el-button>
            </div>
          </div>
        </el-card>
        <el-table
          style="width: 100%;margin-top: 20px"
          :data="value.skuStockList"
          border
        >
          <el-table-column
            v-for="(item,index) in selectProductAttr"
            :key="item.id"
            :label="item.name"
            align="center"
          >
            <template slot-scope="scope">
              {{ getProductSkuSp(scope.row,index) }}
            </template>
          </el-table-column>
          <el-table-column
            label="销售价格"
            width="80"
            align="center"
          >
            <template slot-scope="scope">
              <el-input v-model="scope.row.price" />
            </template>
          </el-table-column>
          <el-table-column
            label="商品库存"
            width="80"
            align="center"
          >
            <template slot-scope="scope">
              <el-input v-model="scope.row.stock" />
            </template>
          </el-table-column>
          <el-table-column
            label="库存预警值"
            width="80"
            align="center"
          >
            <template slot-scope="scope">
              <el-input v-model="scope.row.lowStock" />
            </template>
          </el-table-column>
          <el-table-column
            label="SKU编号"
            align="center"
          >
            <template slot-scope="scope">
              <el-input v-model="scope.row.skuCode" />
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            width="80"
            align="center"
          >
            <template slot-scope="scope">
              <el-button
                type="text"
                @click="handleRemoveProductSku(scope.$index, scope.row)"
              >删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
        <el-button
          type="primary"
          style="margin-top: 20px"
          @click="handleRefreshProductSkuList"
        >刷新列表
        </el-button>
        <el-button
          type="primary"
          style="margin-top: 20px"
          @click="handleSyncProductSkuPrice"
        >同步价格
        </el-button>
        <el-button
          type="primary"
          style="margin-top: 20px"
          @click="handleSyncProductSkuStock"
        >同步库存
        </el-button>
      </el-form-item>
      <el-form-item v-if="hasAttrPic" label="属性图片：">
        <el-card shadow="never" class="cardBg">
          <div v-for="(item,index) in selectProductAttrPics">
            <span>{{ item.name }}:</span>
            <single-upload
              v-model="item.pic"
              style="width: 300px;display: inline-block;margin-left: 10px"
            />
          </div>
        </el-card>
      </el-form-item>
      <el-form-item label="商品参数：">
        <el-card shadow="never" class="cardBg">
          <div v-for="(item,index) in selectProductParam" :class="{littleMarginTop:index!==0}">
            <div class="paramInputLabel">{{ item.name }}:</div>
            <el-select v-if="item.inputType===1" v-model="selectProductParam[index].value" class="paramInput">
              <el-option
                v-for="item in getParamInputList(item.inputList)"
                :key="item"
                :label="item"
                :value="item"
              />
            </el-select>
            <el-input v-else v-model="selectProductParam[index].value" class="paramInput" />
          </div>
        </el-card>
      </el-form-item>
      <el-form-item label="商品相册：">
        <multi-upload v-model="selectProductPics" />
      </el-form-item>
      <el-form-item label="规格参数：">
        <el-tabs v-model="activeHtmlName" type="card">
          <el-tab-pane label="电脑端详情" name="pc">
            <tinymce v-model="value.detailHtml" :width="595" :height="300" />
          </el-tab-pane>
          <el-tab-pane label="移动端详情" name="mobile">
            <tinymce v-model="value.detailMobileHtml" :width="595" :height="300" />
          </el-tab-pane>
        </el-tabs>
      </el-form-item>
      <el-form-item style="text-align: center">
        <el-button size="medium" @click="handlePrev">上一步，填写商品促销</el-button>
        <el-button type="primary" size="medium" @click="handleNext">下一步，选择商品关联</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { fetchList as fetchProductAttrCateList } from '@/api/productAttrCate'
import { fetchList as fetchProductAttrList } from '@/api/productAttr'
import SingleUpload from '@/components/Upload/singleUpload'
import MultiUpload from '@/components/Upload/multiUpload'
import Tinymce from '@/components/Tinymce'

export default {
  name: 'ProductAttrDetail',
  components: { SingleUpload, MultiUpload, Tinymce },
  props: {
    value: Object,
    isEdit: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      // 编辑模式时是否初始化成功
      hasEditCreated: false,
      // 商品属性分类下拉选项
      productAttributeCategoryOptions: [],
      // 选中的商品属性
      selectProductAttr: [],
      // 选中的商品参数
      selectProductParam: [],
      // 选中的商品属性图片
      selectProductAttrPics: [],
      // 可手动添加的商品属性
      addProductAttrValue: '',
      // 商品富文本详情激活类型
      activeHtmlName: 'pc'
    }
  },
  computed: {
    // 是否有商品属性图片
    hasAttrPic() {
      if (this.selectProductAttrPics.length < 1) {
        return false
      }
      return true
    },
    // 商品的编号
    productId() {
      return this.value.id
    },
    // 商品的主图和画册图片
    selectProductPics: {
      get: function() {
        const pics = []
        if (this.value.pic === undefined || this.value.pic == null || this.value.pic === '') {
          return pics
        }
        pics.push(this.value.pic)
        if (this.value.albumPics === undefined || this.value.albumPics == null || this.value.albumPics === '') {
          return pics
        }
        const albumPics = this.value.albumPics.split(',')
        for (let i = 0; i < albumPics.length; i++) {
          pics.push(albumPics[i])
        }
        return pics
      },
      set: function(newValue) {
        if (newValue == null || newValue.length === 0) {
          this.value.pic = null
          this.value.albumPics = null
        } else {
          this.value.pic = newValue[0]
          this.value.albumPics = ''
          if (newValue.length > 1) {
            for (let i = 1; i < newValue.length; i++) {
              this.value.albumPics += newValue[i]
              if (i !== newValue.length - 1) {
                this.value.albumPics += ','
              }
            }
          }
        }
      }
    }
  },
  watch: {
    productId: function(newValue) {
      if (!this.isEdit) return
      if (this.hasEditCreated) return
      if (newValue === undefined || newValue == null || newValue === 0) return
      this.handleEditCreated()
    }
  },
  created() {
    this.getProductAttrCateList()
  },
  methods: {
    handleEditCreated() {
      // 根据商品属性分类id获取属性和参数
      if (this.value.productAttributeCategoryId != null) {
        this.handleProductAttrChange(this.value.productAttributeCategoryId)
      }
      this.hasEditCreated = true
    },
    getProductAttrCateList() {
      const param = { pageNum: 1, pageSize: 100 }
      fetchProductAttrCateList(param).then(response => {
        this.productAttributeCategoryOptions = []
        const list = response.data.list
        for (let i = 0; i < list.length; i++) {
          this.productAttributeCategoryOptions.push({ label: list[i].name, value: list[i].id })
        }
      })
    },
    getProductAttrList(type, cid) {
      const param = { pageNum: 1, pageSize: 100, type: type }
      fetchProductAttrList(cid, param).then(response => {
        const list = response.data.list
        if (type === 0) {
          this.selectProductAttr = []
          for (let i = 0; i < list.length; i++) {
            let options = []
            let values = []
            if (this.isEdit) {
              if (list[i].handAddStatus === 1) {
                // 编辑状态下获取手动添加编辑属性
                options = this.getEditAttrOptions(list[i].id)
              }
              // 编辑状态下获取选中属性
              values = this.getEditAttrValues(i)
            }
            this.selectProductAttr.push({
              id: list[i].id,
              name: list[i].name,
              handAddStatus: list[i].handAddStatus,
              inputList: list[i].inputList,
              values: values,
              options: options
            })
          }
          if (this.isEdit) {
            // 编辑模式下刷新商品属性图片
            this.refreshProductAttrPics()
          }
        } else {
          this.selectProductParam = []
          for (let i = 0; i < list.length; i++) {
            let value = null
            if (this.isEdit) {
              // 编辑模式下获取参数属性
              value = this.getEditParamValue(list[i].id)
            }
            this.selectProductParam.push({
              id: list[i].id,
              name: list[i].name,
              value: value,
              inputType: list[i].inputType,
              inputList: list[i].inputList
            })
          }
        }
      })
    },
    // 获取设置的可手动添加属性值
    getEditAttrOptions(id) {
      const options = []
      for (let i = 0; i < this.value.productAttributeValueList.length; i++) {
        const attrValue = this.value.productAttributeValueList[i]
        if (attrValue.productAttributeId === id) {
          const strArr = attrValue.value.split(',')
          for (let j = 0; j < strArr.length; j++) {
            options.push(strArr[j])
          }
          break
        }
      }
      return options
    },
    // 获取选中的属性值
    getEditAttrValues(index) {
      const values = new Set()
      if (index === 0) {
        for (let i = 0; i < this.value.skuStockList.length; i++) {
          const sku = this.value.skuStockList[i]
          const spData = JSON.parse(sku.spData)
          if (spData != null && spData.length >= 1) {
            values.add(spData[0].value)
          }
        }
      } else if (index === 1) {
        for (let i = 0; i < this.value.skuStockList.length; i++) {
          const sku = this.value.skuStockList[i]
          const spData = JSON.parse(sku.spData)
          if (spData != null && spData.length >= 2) {
            values.add(spData[1].value)
          }
        }
      } else {
        for (let i = 0; i < this.value.skuStockList.length; i++) {
          const sku = this.value.skuStockList[i]
          const spData = JSON.parse(sku.spData)
          if (spData != null && spData.length >= 3) {
            values.add(spData[2].value)
          }
        }
      }
      return Array.from(values)
    },
    // 获取属性的值
    getEditParamValue(id) {
      for (let i = 0; i < this.value.productAttributeValueList.length; i++) {
        if (id === this.value.productAttributeValueList[i].productAttributeId) {
          return this.value.productAttributeValueList[i].value
        }
      }
    },
    handleProductAttrChange(value) {
      this.getProductAttrList(0, value)
      this.getProductAttrList(1, value)
    },
    getInputListArr(inputList) {
      return inputList.split(',')
    },
    handleAddProductAttrValue(idx) {
      const options = this.selectProductAttr[idx].options
      if (this.addProductAttrValue == null || this.addProductAttrValue == '') {
        this.$message({
          message: '属性值不能为空',
          type: 'warning',
          duration: 1000
        })
        return
      }
      if (options.indexOf(this.addProductAttrValue) !== -1) {
        this.$message({
          message: '属性值不能重复',
          type: 'warning',
          duration: 1000
        })
        return
      }
      this.selectProductAttr[idx].options.push(this.addProductAttrValue)
      this.addProductAttrValue = null
    },
    handleRemoveProductAttrValue(idx, index) {
      this.selectProductAttr[idx].options.splice(index, 1)
    },
    getProductSkuSp(row, index) {
      const spData = JSON.parse(row.spData)
      if (spData != null && index < spData.length) {
        return spData[index].value
      } else {
        return null
      }
    },
    handleRefreshProductSkuList() {
      this.$confirm('刷新列表将导致sku信息重新生成，是否要刷新', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.refreshProductAttrPics()
        this.refreshProductSkuList()
      })
    },
    handleSyncProductSkuPrice() {
      this.$confirm('将同步第一个sku的价格到所有sku,是否继续', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        if (this.value.skuStockList !== null && this.value.skuStockList.length > 0) {
          let tempSkuList = []
          tempSkuList = tempSkuList.concat(tempSkuList, this.value.skuStockList)
          const price = this.value.skuStockList[0].price
          for (let i = 0; i < tempSkuList.length; i++) {
            tempSkuList[i].price = price
          }
          this.value.skuStockList = []
          this.value.skuStockList = this.value.skuStockList.concat(this.value.skuStockList, tempSkuList)
        }
      })
    },
    handleSyncProductSkuStock() {
      this.$confirm('将同步第一个sku的库存到所有sku,是否继续', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        if (this.value.skuStockList !== null && this.value.skuStockList.length > 0) {
          let tempSkuList = []
          tempSkuList = tempSkuList.concat(tempSkuList, this.value.skuStockList)
          const stock = this.value.skuStockList[0].stock
          const lowStock = this.value.skuStockList[0].lowStock
          for (let i = 0; i < tempSkuList.length; i++) {
            tempSkuList[i].stock = stock
            tempSkuList[i].lowStock = lowStock
          }
          this.value.skuStockList = []
          this.value.skuStockList = this.value.skuStockList.concat(this.value.skuStockList, tempSkuList)
        }
      })
    },
    refreshProductSkuList() {
      this.value.skuStockList = []
      const skuList = this.value.skuStockList
      // 只有一个属性时
      if (this.selectProductAttr.length === 1) {
        const attr = this.selectProductAttr[0]
        for (let i = 0; i < attr.values.length; i++) {
          skuList.push({
            spData: JSON.stringify([{ key: attr.name, value: attr.values[i] }])
          })
        }
      } else if (this.selectProductAttr.length === 2) {
        const attr0 = this.selectProductAttr[0]
        const attr1 = this.selectProductAttr[1]
        for (let i = 0; i < attr0.values.length; i++) {
          if (attr1.values.length === 0) {
            skuList.push({
              spData: JSON.stringify([{ key: attr0.name, value: attr0.values[i] }])
            })
            continue
          }
          for (let j = 0; j < attr1.values.length; j++) {
            const spData = []
            spData.push({ key: attr0.name, value: attr0.values[i] })
            spData.push({ key: attr1.name, value: attr1.values[j] })
            skuList.push({
              spData: JSON.stringify(spData)
            })
          }
        }
      } else {
        const attr0 = this.selectProductAttr[0]
        const attr1 = this.selectProductAttr[1]
        const attr2 = this.selectProductAttr[2]
        for (let i = 0; i < attr0.values.length; i++) {
          if (attr1.values.length === 0) {
            skuList.push({
              spData: JSON.stringify([{ key: attr0.name, value: attr0.values[i] }])
            })
            continue
          }
          for (let j = 0; j < attr1.values.length; j++) {
            if (attr2.values.length === 0) {
              const spData = []
              spData.push({ key: attr0.name, value: attr0.values[i] })
              spData.push({ key: attr1.name, value: attr1.values[j] })
              skuList.push({
                spData: JSON.stringify(spData)
              })
              continue
            }
            for (let k = 0; k < attr2.values.length; k++) {
              const spData = []
              spData.push({ key: attr0.name, value: attr0.values[i] })
              spData.push({ key: attr1.name, value: attr1.values[j] })
              spData.push({ key: attr2.name, value: attr2.values[k] })
              skuList.push({
                spData: JSON.stringify(spData)
              })
            }
          }
        }
      }
    },
    refreshProductAttrPics() {
      this.selectProductAttrPics = []
      if (this.selectProductAttr.length >= 1) {
        const values = this.selectProductAttr[0].values
        for (let i = 0; i < values.length; i++) {
          let pic = null
          if (this.isEdit) {
            // 编辑状态下获取图片
            pic = this.getProductSkuPic(values[i])
          }
          this.selectProductAttrPics.push({ name: values[i], pic: pic })
        }
      }
    },
    // 获取商品相关属性的图片
    getProductSkuPic(name) {
      for (let i = 0; i < this.value.skuStockList.length; i++) {
        const spData = JSON.parse(this.value.skuStockList[i].spData)
        if (name === spData[0].value) {
          return this.value.skuStockList[i].pic
        }
      }
      return null
    },
    // 合并商品属性
    mergeProductAttrValue() {
      this.value.productAttributeValueList = []
      for (let i = 0; i < this.selectProductAttr.length; i++) {
        const attr = this.selectProductAttr[i]
        if (attr.handAddStatus === 1 && attr.options != null && attr.options.length > 0) {
          this.value.productAttributeValueList.push({
            productAttributeId: attr.id,
            value: this.getOptionStr(attr.options)
          })
        }
      }
      for (let i = 0; i < this.selectProductParam.length; i++) {
        const param = this.selectProductParam[i]
        this.value.productAttributeValueList.push({
          productAttributeId: param.id,
          value: param.value
        })
      }
    },
    // 合并商品属性图片
    mergeProductAttrPics() {
      for (let i = 0; i < this.selectProductAttrPics.length; i++) {
        for (let j = 0; j < this.value.skuStockList.length; j++) {
          const spData = JSON.parse(this.value.skuStockList[j].spData)
          if (spData[0].value === this.selectProductAttrPics[i].name) {
            this.value.skuStockList[j].pic = this.selectProductAttrPics[i].pic
          }
        }
      }
    },
    getOptionStr(arr) {
      let str = ''
      for (let i = 0; i < arr.length; i++) {
        str += arr[i]
        if (i != arr.length - 1) {
          str += ','
        }
      }
      return str
    },
    handleRemoveProductSku(index, row) {
      const list = this.value.skuStockList
      if (list.length === 1) {
        list.pop()
      } else {
        list.splice(index, 1)
      }
    },
    getParamInputList(inputList) {
      return inputList.split(',')
    },
    handlePrev() {
      this.$emit('prevStep')
    },
    handleNext() {
      this.mergeProductAttrValue()
      this.mergeProductAttrPics()
      this.$emit('nextStep')
    }
  }
}
</script>

<style scoped>
  .littleMarginLeft {
    margin-left: 10px;
  }

  .littleMarginTop {
    margin-top: 10px;
  }

  .paramInput {
    width: 250px;
  }

  .paramInputLabel {
    display: inline-block;
    width: 100px;
    text-align: right;
    padding-right: 10px
  }

  .cardBg {
    background: #F8F9FC;
  }
</style>
